Scientist

Charles River
Mattawan, MI

Req ID #: 233850

Mattawan, MI, US

1st

Full time

For 75 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform. In return, we’ll help you build a career that you can feel passionate about.

Job Overview

We are seeking an experienced Scientist (Sonographer) for our Surgery & Efficacy team in Mattawan MI.

A Scientist – Surgery Diagnostics – Sonographer is responsible for supporting the Surgery and Efficacy department by performing diagnostic surgical procedures, including: model development, study set-up, procedure completion, post-procedure follow-up; and for providing mentorship and training to Associate Scientists and staff. The individual in this role may supervise others and may also function in the role of a Contributing Scientist or Principal Investigator, responsible for the development of applicable protocols/plans in accordance with study-specific procedures, company standard operating procedures (SOPs), industry regulatory guidelines, and budgetary guidelines as business/scientific needs require.

The pay range for this position is $102,000 to $106,000 annually USD. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

Job Description

  • May perform supervisory responsibilities in accordance with the organization’s policies and applicable laws to include interviewing, training, and developing employees; planning, assigning and directing work; appraising performance and completing annual performance review on or before due date; rewarding and disciplining employees; addressing complaints and resolving problems.
  • Perform surgical diagnostics procedures, as required.
  • Research and develop diagnostic imaging models (proposals); contribute to the development and writing of protocols; review draft protocols; and prepare publications or make presentations, as needed.
  • Provide expertise to Study Directors and Sponsors.
  • Provide daily direction to technical staff and verifies pre-study preparation for scheduled studies, including acquiring supplies and equipment; prepare diagnostic and study records; and attend and/or conduct pre-study organizational meetings.
  • Monitor conduct/efficiency of technical staff and guests within surgery suites and contributes to a constructive study experience for Sponsors.
  • Assist with providing price estimates for surgical components of applicable studies.
  • Function as Contributing Scientist or Principal Investigator, as assigned.
  • Provide diagnostic training and mentorship to Associate Scientists and staff.
  • Other duties as assigned.

Minimum Requirements

  • Education and Experience: Associate/bachelor’s/master’s degree with 5 or more years of relevant experience;
  • Certification/Licensure: Registered Cardiac Diagnostic Sonographer (RCDS), Registered Diagnostic Medical Sonographer (RDMS), or Registered Vascular Technologist (RVT), preferred.
  • Demonstrated ability to perform complex diagnostic sonographic procedures including, but not limited to, the following: echocardiography, ultrasound guided biopsies, muscular skeletal ultrasound, or obstetric ultrasound.
  • Demonstrated ability to explain scientific relevance of a diagnostic model as it relates to the purpose of a study.
  • Exemplary level of expertise in troubleshooting diagnostic techniques to preserve the integrity of a study.
  • Ability to communicate verbally and in writing at all levels inside and outside the organization.
  • Basic familiarity with Microsoft Office Suite.
  • Computer skills, commensurate with Essential Functions, including the ability to learn a validated system.
  • Ability to work extended hours beyond normal work schedule to include, but not limited to evenings, weekends, extended shifts, and/or extra shifts; sometimes on short notice.
  • Ability to work under specific time constraints.
  • Must be authorized to work in the United States without a sponsor visa, now or in the future.

About Safety Assessment Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market. Each year approximately 300 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.

About Charles River Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.

With over 20,000 employees within 110 facilities in over 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges. Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world.

At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. We have proudly worked on 80% of the drugs approved by the U.S. Food and Drug Administration (FDA) in the past five years.

We’re committed to providing benefits that elevate your quality of life. Based on your position these may include: bonus/incentives based on performance, 401K, paid time off, stock purchase program, Health and wellness coverage, employee and family wellbeing support programs, and work life balance flexibility.

Equal Employment Opportunity

Charles River is an equal opportunity employer and is committed to providing equal employment opportunities for all qualified applicants and employees without regard to race, color, sex, religion, national origin, ancestry, age, mental or physical disability, family status, pregnancy, military or veteran status, or any other characteristic protected by federal, state, or local laws.

It is unlawful in some states (including Massachusetts) to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e-mail message to [email protected]. This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.

For more information, please visit

Posted 2026-05-23

Recommended Jobs

Registered Nurse Supervisor (Evening Shift)

Allegria Village
Dearborn, MI

Nursing Supervisor (RN) – Skilled Nursing (Afternoon Shift 2:00 PM–10:30 PM) The Village – Dearborn, MI Position Summary: The Village in Dearborn, MI is seeking an experienced and compassiona…

View Details
Posted 2026-05-15

Accounts Receivable Specialist

Service Express
Grand Rapids, MI

At Service Express, we believe that great work starts with great people! We are looking for an  Accounts Receivable specialist to join our team! The Accounts Receivable Specialist is responsib…

View Details
Posted 2026-05-24

CDLA Local Nights

WME Express
Berkley, MI

Local Class A CDL Driver – Dedicated Denver, CO Call 269-408-6738 8 to 6 daily for immediate help Pay & Earnings Average Weekly Pay: $1,650 Average Annual Pay: $84,500 Pay per mile + …

View Details
Posted 2026-05-11

Executive Assistant

EctoHR, Inc.
Brighton, MI

Job Description Job Description Founded in 2005, EctoHR, Inc. is a leading Human Resources Consulting and Outsourcing firm supporting organizations throughout Michigan and beyond. EctoHR partners…

View Details
Posted 2026-04-05

Healthcare Fraud Investigator

Contact Government Services, LLC
Detroit, MI

Job Description Job Description Healthcare Fraud Investigator Employment Type: Full-Time, Mid-Level Department: Litigation Support CGS is seeking a Healthcare Fraud Investigator to provi…

View Details
Posted 2026-03-20

Manager, Finance

Stryker
Portage, MI

The Opportunity: As the Finance Manager, you will serve as a key finance and accounting leader who partners across the business to strengthen compliance, improve processes, and support growth. You…

View Details
Posted 2026-05-03

Assistant Retail Sales Manager

West Point Optical Group-Pearle Vision
Flint, MI

GENERAL FUNCTION: The major responsibility of the Retail Optical Manager is to drive profitable sales through exam growth and outstanding patient experience. Drive revenue, productivity, operational…

View Details
Posted 2026-05-24

Data Center Technician - US - Westland - On-site

RM Staffing B.V.
Westland, MI

About the Role We are seeking an experienced Data Center Technician for full-time work in Westland, US . This is an on-site position supporting mission-critical infrastructure at premier data ce…

View Details
Posted 2026-05-09

Kitchen & Bath Sales Consultant

Stontek
Michigan

Join a Growing Team in the Stone & Cabinet Industry At Stontek LLC, we don’t just sell cabinets — we help clients bring their dream kitchens to life. We’re looking for a driven Sales Consultant w…

View Details
Posted 2026-05-24

Recruiting Team Lead

CrossFire Group
Auburn Hills, MI

Job Description Job Description Recruiting Team Lead About the Role We’re looking for a high-accountability leader to oversee both team performance and personal execution. This role requir…

View Details
Posted 2026-05-10